Biblioteca Digital

105 resultados para isotopic dilution

Carbon isotopic composition of modern soil and paleosol as a response to vegetation change on the Chinese Loess Plateau

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IEECAS SKLLQG

Did an extensive forest ever develop on the Chinese Loess Plateau during the past 130 ka?: a test using soil carbon isotopic signatures

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IEECAS SKLLQG

Characteristics of carbonate content and carbon and oxygen isotopic composition of northern China soil and dust aerosol and its application to tracing dust sources

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IEECAS SKLLQG

Stable carbon and oxygen isotopic composition of carbonate in fugitive dust in the Chinese Loess Plateau

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Biosynthetic and environmental effects on the stable carbon isotopic compositions of anteiso- (3-methyl) and iso- (2-methyl) alkanes in tobacco leaves

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Abundances and isotopic compositions of rhenium and osmium in pyrite samples from the Huaibei coalfield, Anhui, China

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Reconstructing in-situ vegetation dynamics using carbon isotopic composition of biopolymeric residues in the central Chinese Loess Plateau

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Boron isotopic fractionation in laboratory inorganic carbonate precipitation: evidence for the incorporation of B(OH)(3) into carbonate

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Nitrogen isotopic composition of plant-soil in the Loess Plateau and its responding to environmental change

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Hydrogen isotopic ratios of plant wax n-alkanes in a peat bog deposited in northeast China during the last 16 kyr

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Constraints from strontium and neodymium isotopic ratios and trace elements on the sources of the sediments in Lake Huguang Maar

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Constraints on water chemistry by chemical weathering in the Lake Qinghai catchment, northeastern Tibetan Plateau (China): clues from Sr and its isotopic geochemistry

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Plio-Pleistocene vegetation changes in the North China Plain: Magnetostratigraphy, oxygen and carbon isotopic composition of pedogenic carbonates

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Effective elimination of organic matter interference in boron isotopic analysis by thermal ionization mass spectrometry of coral/foraminifera: micro-sublimation technology combined with ion exchange

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Dicarboxylic acids, metals and isotopic compositions of C and N in atmospheric aerosols from inland China: implications for dust and coal burning emission and secondary aerosol formation

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